Exact values from unit circle

cos(60°)

• 0
• 1/2
• √3/2
• 1

Tags

CCSS.HSG.SRT.C.7

cos 150^o

• -1/2

• 1/2

• √3/2

• -√3/2

Tags

CCSS.HSF.TF.A.2

sin 7π/6

• 1/2
• -1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

What is the radius of a unit circle?

• 1
• 2
• 1/2
• 0

Tags

CCSS.HSF.TF.A.2

What is the exact value of sin 150°

• -1/2
• -√3/2
• 1/2
• √3/2

Tags

CCSS.HSF.TF.A.2

sinθ is positive in

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

Tags

CCSS.HSF.TF.A.2

cosθ is positive in

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

CCSS.HSF.TF.C.8

What is sin 45°?

• 1
• ^√3/₂
• ½
• ^√2/₂

Tags

CCSS.HSF.TF.A.2

What is tan 45°?

• 1
• ^√2/₂
• ^√3/₂
• ½

Tags

CCSS.HSF.TF.A.2

What is cos 30°?

• ^√3/₂
• ½
• ^√2/₂
• 1

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6